You might find it along with your hbase log files. The file name would be same as your other log file except that it would be a .out file. Regards, Samar
On 13/09/12 10:18 AM, "Xiang Hua" <[email protected]> wrote: >hi, > where can i fidn the GC log? > I am a newcomer. > Thanks! > >beatls > >On Wed, Sep 12, 2012 at 11:09 PM, Amlan Roy <[email protected]> >wrote: > >> Hi, >> >> >> >> I was doing some load testing on my cluster. I am writing to HBase >>(version >> 0.92.0) from 20 threads simultaneously. After running the program for >>some >> time, one of my machines got unresponsive. I checked the GC log and >>found >> occurrences of both "concurrent mode failure" and "promotion failed" on >> that >> machine. I have the following configuration in hbase-env.sh: >> >> >> >> export HBASE_REGIONSERVER_OPTS="$HBASE_REGIONSERVER_OPTS -Xmx4g -Xms4g >> -Xmn128m -XX:+UseParNewGC -XX:+UseConcMarkSweepGC >> -XX:CMSInitiatingOccupancyFraction=70 -verbose:gc -XX:+PrintGCDetails >> -XX:+PrintGCTimeStamps -Xloggc:/data/gc-hbase.log" >> >> >> >> Please let me know if this configuration is incorrect. >> >> >> >> Regards, >> >> Amlan >> >>
